CVE-2026-14110 in Chrome
Summary
by MITRE • 07/01/2026
Inappropriate implementation in DarkMode in Google Chrome prior to 150.0.7871.47 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Low)
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Analysis
by VulDB Data Team • 07/01/2026
The vulnerability under discussion represents an insecure implementation within the dark mode functionality of google chrome browsers versions prior to 150.0.7871.47, which creates a potential vector for user interface spoofing attacks. This issue falls under the category of improper input validation and handling within the browser's rendering engine, specifically affecting how the ui components are displayed when dark mode is enabled. The flaw allows remote attackers to craft malicious html pages that can manipulate the visual presentation of web content in ways that may deceive users into believing they are interacting with legitimate interfaces.
The technical nature of this vulnerability stems from inadequate sanitization and validation of html elements when processing dark mode styling attributes. When chrome processes html content containing crafted dark mode implementations, the browser fails to properly separate user interface elements from potentially malicious styling instructions. This misconfiguration enables attackers to override or manipulate visual components that should remain distinct and secure, creating opportunities for deception attacks where users might be tricked into revealing sensitive information or performing unintended actions.
The operational impact of this vulnerability extends beyond simple visual manipulation as it creates a foundation for more sophisticated social engineering campaigns. Attackers can exploit this weakness to make malicious pages appear more legitimate by carefully crafting the interface elements that users interact with during browsing sessions. The low chromium security severity classification does not diminish the potential risk as ui spoofing attacks can be highly effective in phishing scenarios where user trust is manipulated through visual deception. This vulnerability aligns with attack patterns documented in the attack tree framework where an initial access vector leads to user confusion and potential compromise of sensitive data.
From a compliance perspective, this vulnerability violates several security standards including those related to secure ui design and input validation practices outlined in the owasp top ten security risks. The weakness represents a failure to implement proper separation between content rendering and user interface presentation layers which is fundamental to maintaining browser security boundaries. Organizations should note that this vulnerability could be leveraged as part of broader attack chains where initial phishing attempts use the spoofing capabilities to establish user trust before executing more damaging payloads.
Mitigation strategies should focus primarily on immediate browser updates to versions 150.0.7871.47 and later where the implementation has been corrected. Security administrators should also consider implementing additional monitoring for suspicious ui rendering patterns in web applications, particularly those that might interact with dark mode functionality. Network-based detection mechanisms can be enhanced to identify crafted html content that attempts to exploit similar vulnerabilities in other browsers or web applications. The fix implemented by google likely involved strengthening the validation processes for dark mode styling attributes and ensuring proper isolation between user interface components and potentially malicious content.
This vulnerability demonstrates the importance of comprehensive security testing for ui rendering engines and highlights how seemingly minor implementation details can create significant security risks. The weakness is categorized under common weakness enumeration 79 which covers cross site scripting vulnerabilities, though specifically related to improper handling of user interface elements rather than traditional script injection attacks. Security professionals should consider this as a reminder that browser security requires attention to all components including those that might appear non-critical such as theme rendering engines, as these can become attack vectors for sophisticated social engineering campaigns.